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Add 2/21 and 56/20

1st number: 2/21, 2nd number: 2 16/20

2/21 + 56/20 is 304/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 20 is 420
  2. For the 1st fraction, since 21 × 20 = 420,
    2/21 = 2 × 20/21 × 20 = 40/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    56/20 = 56 × 21/20 × 21 = 1176/420
  4. Add the two fractions:
    40/420 + 1176/420 = 40 + 1176/420 = 1216/420
  5. 1216/420 simplified gives 304/105
  6. So, 2/21 + 56/20 = 304/105
    In mixed form: 294/105

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